How much is deducted for insufficient use of the floor exercise area, spatially and directionally?

In gymnastics judging, deductions for insufficient use of the floor exercise area relate to how well a gymnast utilizes the entirety of the space available and demonstrates directionality in their routine. When a gymnast does not adequately cover the floor area or fails to show appropriate directional changes during their performance, a deduction is warranted.

A deduction of up to 0.10 for each aspect of insufficient use (spatial and directional) is correct because this is the established guideline within the scoring system to penalize incomplete execution in these areas. This rate emphasizes the importance of a well-rounded routine that engages the entire floor space. Adhering to these expectations not only enhances the overall aesthetic of the routine but also meets the technical requirements set forth for competitive performance.

The other options, while reflecting the need for deductions, do not align with the specific standards of scoring for insufficient usage of the floor area as documented in gymnastic scoring manuals.